Waves rush in to fill the crevices of the exposed shore at low tide, Puerto Peñasco, Gulf of California, Mexico

intertidal beach rocky shore bahia la choyas tidal pools marine biomes low tide sea foam shoreline rocky point gulf of california rock flats shore vermillion sea puerto penasco tide marine habitat waves nature reserve ecology environment eroded extreme ecosystem lichens nature flow crevices solitude environmental conservation surf ecosystems mexico wildlife reserve fluctuation free rugged climate wild biodiversity fill movement holes habitat drastic change filling rocky closeup fragile cracks title ranges exposed